Source of Truth (SoT) is for having accurate data. When you’ve already integrated your locations, and you want to change some information about your location, you’re doing that from the source page.
Step 1: Log in to your Post Business account
Log on to your Post Business platform, and click on the login button.
Enter your email ID and password. Now click on the SIGN IN button.
Step 2: Now, in the left pane, click on the Settings link.